• Cegelec, a.s.
• Rail Electronics, s.r.o.
• Schneider Electric, s.r.o.
• ZAT, a.s.
• Škoda Electric, a.s.
• Škoda Transportation, s.r.o.
• NSA, Ministry of Defense
• Ingersoll-Rand Technologies, s.r.o.
• EVPÚ, a.s.
• AEF, s.r.o.
and many others …
• USA
• Italy
• Germany
• Austria
• Lithuania
• Ukraine
• Russia
• Saudi Arabia
• Philippines
• Poland
• Hungary, Romania, China, England